Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM10000000158D5 |
Model Year Start: 2018 |
Model: Camry HV |
Prod Date Range: [07/2017 -
] |
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: B150718; Turn Signal Light Circuit Current Below Threshold; 2018 - 2024 MY Camry HV [07/2017 - ] |
DTC
|
B150718
|
Turn Signal Light Circuit Current Below Threshold
|
DESCRIPTION
This DTC is stored when the combination meter assembly detects an open in a front turn signal light circuit or rear turn signal light circuit.
HINT:
-
If there is an open in a front turn signal light circuit or rear turn signal light circuit, the turn signal lights on the side with the open circuit will blink faster than usual.
-
If there is an open in a side turn signal light circuit, DTC B150718 will not be stored.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
Memory
|
Note
|
B150718
|
Turn Signal Light Circuit Current Below Threshold
|
Diagnosis Condition:
-
Auxiliary battery voltage is 10 V or more
Malfunction Status:
-
Open in front turn signal light circuit
-
Open in rear turn signal light circuit
|
-
Harness or connector
-
Headlight assembly
-
Headlight ECU sub-assembly*
-
Rear combination light assembly
-
Combination meter assembly
|
DTC stored
|
-
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
-
Inspect the turn signal light bulbs, sockets and wire harnesses before performing the following procedure.
PROCEDURE
(a) Inspect the illumination of each turn signal light.
Result
|
Proceed to
|
Front turn signal light LH does not blink
|
A
|
Rear turn signal light LH does not blink
|
B
|
Front turn signal light RH does not blink
|
C
|
Rear turn signal light RH does not blink
|
D
|
A
|
|
|
(a) Choose the model to be inspected.
Result
|
Proceed to
|
w/o AFS
|
A
|
w/ AFS
|
B
|
A
|
|
|
3.
|
CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)
|
(a) Disconnect the A53*1 or A76*2 headlight assembly LH connector.
-
*1: for Bulb Type Turn Signal Light
-
*2: for LED Type Turn Signal Light
(b) Disconnect the K20 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for Bulb Type Turn Signal Light
Tester Connection
|
Condition
|
Specified Condition
|
A53-1 (B) - K20-11 (LL)
|
Always
|
Below 1 Ω
|
A53-3 (E) - Body ground
|
Always
|
Below 1 Ω
|
for LED Type Turn Signal Light
Tester Connection
|
Condition
|
Specified Condition
|
A76-2 (B) - K20-11 (LL)
|
Always
|
Below 1 Ω
|
A76-8 (E) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
(a) Choose the model to be inspected.
Result
|
Proceed to
|
for Bulb Type Turn Signal Light
|
A
|
for LED Type Turn Signal Light
|
B
|
B
|
|
|
5.
|
INSPECT HEADLIGHT ASSEMBLY LH
|
(a) Remove the headlight assembly LH.
Click here
(b) Inspect the headlight assembly LH.
Click here
6.
|
CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)
|
(a) Disconnect the A10*1 or A79*2 headlight ECU sub-assembly LH connector.
(b) Disconnect the K20 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
A10-11 (TNS) - K20-11 (LL)*1
|
Always
|
Below 1 Ω
|
A79-11 (TNS) - K20-11 (LL)*2
|
Always
|
Below 1 Ω
|
A10-12 (GND) - Body ground*1
|
Always
|
Below 1 Ω
|
A79-12 (GND) - Body ground*2
|
Always
|
Below 1 Ω
|
-
*1: 2017/07 - 2019/09
-
*2: 2019/09 -
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
7.
|
INSPECT HEADLIGHT ECU SUB-ASSEMBLY LH
|
*a
|
Component without harness connected
(Headlight ECU Sub-assembly LH)
|
-
|
-
|
*1
|
2017/07 - 2019/09
|
*2
|
2019/09 -
|
(a) Remove the headlight ECU sub-assembly LH.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
B-9 (TURN+) - A10-11 (TNS)*1
|
Always
|
Below 1 Ω
|
B-9 (TURN+) - A79-11 (TNS)*2
|
Always
|
Below 1 Ω
|
B-13 (TURN-) - A10-12 (GND)*1
|
Always
|
Below 1 Ω
|
B-13 (TURN-) - A79-12 (GND)*2
|
Always
|
Below 1 Ω
|
-
*1: 2017/07 - 2019/09
-
*2: 2019/09 -
OK
|
|
|
8.
|
CHECK HEADLIGHT ASSEMBLY LH
|
(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly LH with RH and connect the connectors.
Click here
(b) Check that the front turn signal light operates normally.
OK:
Front turn signal light blinks.
9.
|
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)
|
(a) Disconnect the W13 rear combination light assembly LH connector.
(b) Disconnect the K20 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
W13-3 (B) - K20-10 (TRNL)
|
Always
|
Below 1 Ω
|
W13-4 (E) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
(a) Choose the model to be inspected.
Result
|
Proceed to
|
w/o AFS
|
A
|
w/ AFS
|
B
|
A
|
|
|
11.
|
CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)
|
(a) Disconnect the A52*1 or A75*2 headlight assembly RH connector.
-
*1: for Bulb Type Turn Signal Light
-
*2: for LED Type Turn Signal Light
(b) Disconnect the K20 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for Bulb Type Turn Signal Light
Tester Connection
|
Condition
|
Specified Condition
|
A52-1 (B) - K20-7 (LR)
|
Always
|
Below 1 Ω
|
A52-3 (E) - Body ground
|
Always
|
Below 1 Ω
|
for LED Type Turn Signal Light
Tester Connection
|
Condition
|
Specified Condition
|
A75-2 (B) - K20-7 (LR)
|
Always
|
Below 1 Ω
|
A75-8 (E) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
(a) Choose the model to be inspected.
Result
|
Proceed to
|
for Bulb Type Turn Signal Light
|
A
|
for LED Type Turn Signal Light
|
B
|
B
|
|
|
13.
|
INSPECT HEADLIGHT ASSEMBLY RH
|
(a) Remove the headlight assembly RH.
Click here
(b) Inspect the headlight assembly RH.
Click here
14.
|
CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)
|
(a) Disconnect the A11*1 or A80*2 headlight ECU sub-assembly RH connector.
(b) Disconnect the K20 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
A11-11 (TNS) - K20-7 (LR)*1
|
Always
|
Below 1 Ω
|
A80-11 (TNS) - K20-7 (LR)*2
|
Always
|
Below 1 Ω
|
A11-12 (GND) - Body ground*1
|
Always
|
Below 1 Ω
|
A80-12 (GND) - Body ground*2
|
Always
|
Below 1 Ω
|
-
*1: 2017/07 - 2019/09
-
*2: 2019/09 -
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
15.
|
INSPECT HEADLIGHT ECU SUB-ASSEMBLY RH
|
*a
|
Component without harness connected
(Headlight ECU Sub-assembly RH)
|
-
|
-
|
*1
|
2017/07 - 2019/09
|
*2
|
2019/09 -
|
(a) Remove the headlight ECU sub-assembly RH.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
B-9 (TURN+) - A11-11 (TNS)*1
|
Always
|
Below 1 Ω
|
B-9 (TURN+) - A80-11 (TNS)*2
|
Always
|
Below 1 Ω
|
B-13 (TURN-) - A11-12 (GND)*1
|
Always
|
Below 1 Ω
|
B-13 (TURN-) - A80-12 (GND)*2
|
Always
|
Below 1 Ω
|
-
*1: 2017/07 - 2019/09
-
*2: 2019/09 -
OK
|
|
|
16.
|
CHECK HEADLIGHT ASSEMBLY RH
|
(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly RH with LH and connect the connectors.
Click here
(b) Check that the front turn signal light operates normally.
OK:
Front turn signal light blinks.
17.
|
CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)
|
(a) Disconnect the W12 rear combination light assembly RH connector.
(b) Disconnect the K20 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
W12-3 (B) - K20-13 (TRNR)
|
Always
|
Below 1 Ω
|
W12-4 (E) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|